xref: /freebsd/tools/test/stress2/misc/nullfs15.sh (revision dd41de95a84d979615a2ef11df6850622bf6184e)
1#!/bin/sh
2
3#
4# Copyright (c) 2013 Peter Holm <pho@FreeBSD.org>
5# All rights reserved.
6#
7# Redistribution and use in source and binary forms, with or without
8# modification, are permitted provided that the following conditions
9# are met:
10# 1. Redistributions of source code must retain the above copyright
11#    notice, this list of conditions and the following disclaimer.
12# 2. Redistributions in binary form must reproduce the above copyright
13#    notice, this list of conditions and the following disclaimer in the
14#    documentation and/or other materials provided with the distribution.
15#
16# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26# SUCH DAMAGE.
27#
28
29[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
30
31. ../default.cfg
32
33# panic: lockmgr still held. Fixed in r250852.
34# Test scenario by antoine@
35
36nullfsmp=${mntpoint}2
37mount | grep -q "$nullfsmp " && umount $nullfsmp
38
39[ -d $nullfsmp ] || mkdir $nullfsmp
40mount | grep "$mntpoint " | grep -q /dev/md && umount -f $mntpoint
41mdconfig -l | grep -q md$mdstart &&  mdconfig -d -u $mdstart
42mdconfig -a -t swap -s 1g -u $mdstart
43bsdlabel -w md$mdstart auto
44newfs $newfs_flags md${mdstart}$part > /dev/null
45mount /dev/md${mdstart}$part $mntpoint
46mount -t nullfs $mntpoint $nullfsmp
47
48mkdir $mntpoint/.new_packages $nullfsmp/new_packages
49mount -t nullfs $mntpoint/.new_packages $nullfsmp/new_packages
50dd if=/dev/zero of=$nullfsmp/new_packages/bar count=20000  status=none
51mv $mntpoint/.new_packages/bar /tmp/
52rm -rf $mntpoint/.new_packages
53umount -f $nullfsmp/new_packages
54
55while mount | grep -q "$nullfsmp "; do
56	umount $nullfsmp || sleep 1
57done
58
59while mount | grep -q "$mntpoint "; do
60	umount $mntpoint || sleep 1
61done
62mdconfig -d -u $mdstart
63rm -f /tmp/bar
64exit 0
65